* BoxOfficeBomb: Budget, $20 million. Box office, $15,220,548. The film did well enough on home video to spawn a few direct-to-DVD sequels.
* CastTheRunnerUp: Creator/WalterHill considered Creator/WesleySnipes for either Undisputed or Iceman. When Creator/VingRhames wanted to play the Ice Man, Snipes was happy to take the other role.
* CreatorKiller: Creator/WalterHill wouldn't direct another theatrically released film for eleven years until ''Film/BulletToTheHead''.
* DyeingForYourArt:
** Creator/VingRhames had spent two years getting in shape for a Sonny Liston biopic, but when that fell through, this script caught his eye, and he simply resumed his training for this film.
** Creator/WesleySnipes worked out with boxing trainer Emanuel Steward to prepare for his role in the film. Steward is in the International Boxing Hall of Fame for training boxers like Thomas Hearns and Lennox Lewis.
* LateExportForYou: This movie wasn't released in Australia for ten years, until it was released on DVD in 2012.
* NoStuntDouble: Neither Creator/WesleySnipes nor Creator/VingRhames used a body double and all the body shots were real.
* WagTheDirector: There were press reports that Harvey Weinstein wanted additional scenes reshot which made Undisputed more sympathetic, but that Creator/WesleySnipes refused to do them.
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